Finding the Fourth Proportional to 11,550.70, 17,312.32 and 5,305.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,550.70 : 17,312.32 = 5,305.42 : x
2. Step 2: Convert to fraction form
   11,550.70/17,312.32 = 5,305.42/x
3. Step 3: Cross multiply
   11,550.70x = 17,312.32 × 5,305.42
4. Step 4: Simplify right side
   11,550.70x = 91,849,128.77
5. Step 5: Solve for x
   x = 91,849,128.77/11,550.70
6. Step 6: Final answer
   x = 7,951.82